1. Local Climatic Summaries National Climatic Center Environmental Data Service Asheville North Carolina.
2. T.KusudaandK.Ishii “Hourly Solar Radiation Data for Vertical and Horizontal Surfaces on Average Days in the U.S. and Canada ” NBS BSS 96 National Technical Information Service #PB 265‐551 1977.
3. Engineering Weather Data Air Force Design Manual 88‐29 (Army TM 5‐785 Navy NAVFAC P‐89) 1978.
4. K.Labs “Regional Analysis of Ground and Above Ground Climate ” Oak Ridge National Laboratory (NTIS No. ORNL/Sub‐81/40451/1) 1981.